DFX 7 001

DAKOTA ULTRASONICS DFX-7 FLAW DETECTOR FOR NDT

The Best of Both Worlds: DFX-7 Flaw Detector & Thickness Gauge

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Weight15 lbs
Dimensions23 × 17 × 11 in

Thickness Gauge

Flaw Detector

  • Sizing Toolkits: DAC, AWS, TCG, DGS.
  • Exception visibility in sunlight (AMOLED) color VGA display (320×240 pixels).
  • P.R.F. – 8 to 2000 Hz, adjustable.
  • Screen Refresh Rate: 60 Hz
  • Detection: Z-Cross, Flank & Peak.
  • Automatic: probe zero, probe recognition, and Temperature compensation.
  • Measurement: Variety of modes to address a number of applications.
  • Large data storage with multiple formats: Alpha numeric grid and sequential w/auto identifier.
  • Windows PC & MAC OSX interface software.
  • 2 year limited warranty.
General

  • Size: 2.5W x .5H x 1.24D in (63.5 x 165 x 31.5mm).
  • Weight: 14 ounces (.397kgs), with batteries.
  • Case: Extruded aluminum body with nickel plated aluminum end caps (gasket sealed).
  • Display: 1/4 VGA AMOLED color display (320 x 240 pixels). Viewable area 1.7 x 2.27 in (43.2 x 57.6 mm). 16 color pallete, multiple color options, and variable brightness.
  • Screen Refresh Rate: Selectable 60Hz.
  • Display Views: Flaw Detector: Full wave, +/- Rectified, or RF. Thickness Gauge: Digits, +/- Rectified, RF, or B-Scan.
  • Resolution(selectable): +/-0.001 in (0.01 mm), or +/-0.0001 in (0.001 mm).
  • Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra low power digitizer.
  • Measurement Gates: Two independent gates (Flaw), and three gates (thickness). Start & width adjustable over full range. Amplitude 5-95%, 1% steps. Positive or negative triggering for each gate with audible and visual alarms.
  • Operating Temperature: 14 to 140F (-10C to 60C).
  • Environmental: Meets IP65 requirements.

Calibration

  • Automatic Calibration: Longitudinal (straight), or Shear (angle).
  • Probe Types: Single Contact, Dual, Delay, and Angle .
  • English (in), Metric (mm).
  • Velocity: 0.0100 to .6300 in/μs (256–16,000 m/s).
  • Test Range: 0.007 in (.178mm) to 1200 in (30,480 mm) maximum at steel velocity. Continuously variable.
  • Zero Offset (Probe Zero): 0–999.999 μs.
  • Material Velocity Table: Contains longitudinal and shear velocities for a variety of material types.

Pulser

  • Pulser Type: Two adjustable square wave pulsers and receivers.
  • P.R.F.: 8 to 2000Hz in selectable steps (8, 16, 32, 66, 125, 250, 333, 1000, 2000Hz).
  • Pulser Voltage: 100-200 volt peak amplitude, rise/fall time < 10ns into 50ohm.
  • Pulse Width: 40 to 400 ns. Selectable step options (spike, thin or wide).
Receiver

  • Gain: 0 to 110dB with 0.2dB resolution. Manual and AGC control.
  • Damping: 50, 75, 100, 300, 600, & 1500 ohms.
  • Frequency Bands: DFX-7 & 7+: Broadband 1.8 – 19 MHz (-3dB). DFX-7+: Three narrow bands centered at 2MHz, 5MHz, 10MHz.
  • Horizontal Linearity: +/- 0.4% FSW.
  • Vertical Linearity: +/- 1% FSH.
  • Amplifier Linearity: +/- 1 dB.
  • Amplitude Measurement: 0 to 100% FSH, with 1% resolution.
  • Delay: 0 – 999in (25,375mm) at steel velocity.

Flaw Detector: Features

  • TRIG: Trigonometric display of beam path, depth, surface distance, and curved surface correction. Used with angle beam transducers.
  • DAC: Up to 8 points may be entered and used to digitally draw a DAC curve. Reference -2, -6, -10, (-6/-12), (-6/-14), (-2/-6/-10) dB. Amplitude displayed in %DAC or dB.
  • AWS: Automatic defect sizing in accordance with AWS D1.1 structural welding code.
  • AVG/DGS: Automatic defect sizing using probe data. Stores up to 64 custom setups.
  • TCG: Time corrected gain. 50 dB dynamic range, 20 dB per microsecond, up to 8 points for curve definition.
  • Measurement Mode: Pulse-Echo (P-E) range 0.025 in to 100 ft. (0.63mm to 3048 cm).
  • Auto-Cal: Provides automatic calibration with two reference points.
  • Detection Modes: Zero Crossing, Flank and Peak.
  • Display Freeze: Hold current waveform on screen.
  • Peak Memory: For echodynamic pattern determination.
  • Skip Bar: Displays skip legs in the waveform area.

Thickness Gauge: Features

  • Measurement Modes (Dual & Single Element):
  • Pulse-Echo Mode (P-E) – (Pit & Flaw Detection) range 0.025 to 96 in (0.63mm to 244 cm). Single Contact – 0.040 in to 100 ft. (1 mm to 3048 cm).
  • Pulse-Echo Coating Mode (PECT) – (Material, Coating, Pit & Flaw Detection): Material: 0.025 in to 96 in (0.63mm to 244 cm). Coating: 0.001 to 0.100 inches (0.01 to 2.54 millimeters).
  • Pulse-Echo Temp Comp Mode (PETP) – (Pit & Flaw Detection) Auto temperature compensation – range 0.025 in to 96 in (0.63 mm to 244 cm).
  • Echo-Echo Mode (E-E) – (Thru Paint & Coatings) range 0.050 to 4.0 inches (1.27 to 102 millimeters). Single Delay Line – 0.007 to 1.00 in (.178 to 254 mm). Single Contact – 0.040 in to 10 ft. (1 mm to 305 cm). Will vary based on coating.
Features, cont.

  • Echo-Echo Verify (E-EV) – (Thru Paint & Coatings) range 0.050 to 1.0 inches (1.27 to 25.4 millimeters). Will vary based on coating.
  • Coating Only Mode (CT) – (Coating Thickness) range 0.0005 to 0.100 inches (0.0127 to 2.54 millimeters). Range will vary +/- depending on the coating.
  • One and two point calibration option for material & coating, or selection of basic material types.
  • Auto probe zero, recognition and temperature compensation.
  • High speed scan up to 50 readings per second.
  • Audible alarm with hi/lo limits.
  • Built-in differential mode for QC inspections.
  • Linear time dependent gain (TDG) with adjustable slope (dB per microsecond).

Memory

  • Log Formats: Grid (Alpha Numeric), or Sequential (Auto Identifier).
  • Capacity: 4 Gb internal SD card.
  • Screen Capture: Bitmap graphic capture for quick documentation.

Power Source

  • Battery: Three 1.5V alkaline, 1.2V AA Nicad cells, 1.2V AA NI-MH, or other other equivalent power source. Battery life (continuous use): Alkaline (12hrs), Nicad (5hrs), and NI-MH (12hrs), with default settings.
  • Line Power: USB-C to PC power outlet.

Connections

  • Output: USB-C 1.1 PC connectivity.
  • Transducer Connectors: Two LEMO 00 connectors.

Certification

  • Thickness Gauge: Factory calibration traceable to NIST & MIL-STD-45662A.
  • Flaw Detector: EN12668-1 compliant.

Warranty

  • 2 year limited
This product has no accessories.
This product does not have software options.
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